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1977 Shura (1970 QY)
Classification:
Main-belt Asteroid
SPK-ID:
2001977
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
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Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference:
JPL 35
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07396873276229443
3.2527e-08
a
2.780979013488749
1.0204e-08
au
q
2.57527352002245
9.2656e-08
au
i
7.766123669477433
4.0137e-06
deg
node
332.2345731234369
2.6565e-05
deg
peri
310.4202603219417
3.8351e-05
deg
M
333.6190971666219
2.7697e-05
deg
t
p
2459124.631541229648
(2020-Oct-02.13154123)
0.0001303
TDB
period
1693.928184524958
4.64
9.3232e-06
2.553e-08
d
yr
n
.2125237677068096
1.1697e-09
deg/d
Q
2.986684506955047
1.0959e-08
au
Orbit Determination Parameters
# obs. used (total)
2656
data-arc span
24331 days (66.61 yr)
first obs. used
1954-03-07
last obs. used
2020-10-17
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.42646
source
ORB
producer
Otto Matic
solution date
2020-Nov-13 04:13:42
Additional Information
Earth MOID
= 1.56713 au
Jupiter MOID
= 2.17997 au
T_jup
= 3.316
[ hide covariance matrix ]
Orbital Elements at Epoch 2456307.5 (2013-Jan-15.0) TDB
Reference:
JPL 35
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07194405516555677
3.2291e-08
q
2.582048442845569
9.1338e-08
au
t
p
2455724.797910467470
(2011-Jun-12.29791047)
0.00013616
TDB
node
332.4512247265679
2.6662e-05
deg
peri
307.9933375510956
3.9016e-05
deg
i
7.749777279950643
4.0061e-06
deg
Orbit Determination Parameters
# obs. used (total)
2656
data-arc span
24331 days (66.61 yr)
first obs. used
1954-03-07
last obs. used
2020-10-17
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.42646
source
ORB
producer
Otto Matic
solution date
2020-Nov-13 04:13:42
Additional Information
Jupiter MOID
= 2.17997 au
T_jup
= 3.316
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.042692176736006E-15
-2.93359896873855E-15
4.646555271154389E-13
1.742349799132426E-15
9.26407044723476E-14
4.910063434025984E-16
q
-2.93359896873855E-15
8.342574248995756E-15
-1.426612576873248E-12
-3.918418638456746E-15
-2.810572904803265E-13
-1.364889734792623E-15
tp
4.646555271154389E-13
-1.426612576873248E-12
1.853849594693858E-8
7.328055338041077E-12
3.891908194846593E-9
2.461592842243951E-12
node
1.742349799132426E-15
-3.918418638456746E-15
7.328055338041077E-12
7.108830907000971E-10
-7.025457722977728E-10
7.798929008677994E-12
peri
9.26407044723476E-14
-2.810572904803265E-13
3.891908194846593E-9
-7.025457722977728E-10
1.522214082019049E-9
-7.319967238984558E-12
i
4.910063434025984E-16
-1.364889734792623E-15
2.461592842243951E-12
7.798929008677994E-12
-7.319967238984558E-12
1.604866221195051E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
11.6
n/a
MPO384767
diameter
diameter
17.211
km
0.117
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
rotation period
rot_per
7.461
h
n/a
LCDB (Rev. 2020-October); Warner et al., 2009
Published Reference List:
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.]
geometric albedo
albedo
0.150
0.028
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)
SMASSII spectral type
spec_B
Sq
n/a
EAR-A-5-DDR-TAXONOMY-V4.0
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)
1977 Shura (1970 QY)
Discovered 1970-Aug-30 by Smirnova, T. at Nauchnyj
Reference:
DISCOVERY.DB
Last Updated:
2003-08-29
[ show close-approach data ]
Alternate Designations
1970 QY
= 1942 RW = 1952 UT1 = 1968 DE
[
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Close-Approach Data
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2021-Jan-22 10:57 UT
(server date/time)
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